Schedule
The class schedule below will be updated on a weekly basis. The class will mainly follow the lecture notes below, which will be periodically updated.
Calder, Jeff. The Calculus of Variations. [pdf]. (Updated 2019-11-26)
| Lecture | Date | Topic | Notes |
| 1 | Sept 4 | Introduction | |
| 2 | Sept 6 | Euler-Lagrange equations | |
| 3 | Sept 9 | Brachistochrone problem | |
| 4 | Sept 11 | Minimal surfaces of revolution | |
| 5 | Sept 13 | Isoperimetric inequality and hanging chains | |
| 6 | Sept 16 | Introduction to mulivariable problems | |
| 7 | Sept 18 | Euler-Lagrange equations revisited | |
| 8 | Sept 20 | Gradient descent | |
| 9 | Sept 23 | Accelerated gradient descent | |
| 10 | Sept 25 | Total variation image restoration | |
| 11 | Sept 27 | Primal dual/Split Bregman methods | |
| 12 | Sept 30 | Image Segmentation | |
| 13 | Oct 2 | Chan-Vese Active Contours | |
| 14 | Oct 4 | Ginzburg-Landau approximation | |
| 15 | Oct 7 | The direct method: Lower semicontinuity and coercivity | |
| 16 | Oct 9 | Sobolev spaces | |
| 17 | Oct 11 | Sobolev spaces | |
| 18 | Oct 14 | Sobolev spaces | |
| 19 | Oct 16 | Weak lower semicontinuity | |
| 20 | Oct 18 | Weak lower semicontinuity | |
| 21 | Oct 21 | Existence of minimizers | |
| 22 | Oct 23 | Uniqueness of minimizers | |
| 23 | Oct 25 | Minimal surface problems | |
| 24 | Oct 28 | a priori gradient estimates | |
| 25 | Oct 30 | a priori gradient estimates | |
| 26 | Nov 1 | Intro graph-based learning | |
| 27 | Nov 4 | Probability review | |
| 28 | Nov 6 | No class | |
| 29 | Nov 8 | Probability review | |
| 30 | Nov 11 | Concentration of measure | |
| 31 | Nov 13 | Concentration of measure | |
| 32 | Nov 15 | Concentration of measure | |
| 33 | Nov 18 | No class | |
| 34 | Nov 20 | Random geometric graphs | |
| 35 | Nov 22 | Pointwise consistency of graph Laplacians | |
| 36 | Nov 25 | Maximum principle methods | |
| 37 | Nov 27 | Variational consistency: Upper bounds | |
| Thanksgiving (no class) | |||
| 38 | Dec 2 | Transportation maps | |
| 39 | Dec 4 | Variational consistency: Lower bounds | |
| 40 | Dec 6 | ||
| 41 | Dec 9 | ||
| 42 | Dec 11 |